Migrator: Add a failing test for #42327

Bug: #42327
Change-Id: I5ac4dbaf95efdc7b54ea4009b78187e519cac92d
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/151094
Reviewed-by: Mike Fairhurst <mfairhurst@google.com>
Commit-Queue: Samuel Rawlins <srawlins@google.com>

Author: srawlins

pkg/nnbd_migration/lib/src/edge_builder.dart

@@ -2638,7 +2638,7 @@ class EdgeBuilder extends GeneralizingAstVisitor<DecoratedType>
       if (name != null) {
         parameterType = calleeType.namedParameters[name];
         if (parameterType == null) {
-          // TODO(paulberry)
+          // TODO(#42327)
           _unimplemented(expression, 'Missing type for named parameter');
         }
         suppliedNamedParameters.add(name);

pkg/nnbd_migration/test/api_test.dart

@@ -207,6 +207,22 @@ void test(C c) {
     await _checkSingleFileChanges(content, expected);
   }
 
+  @FailingTest(issue: 'https://github.com/dart-lang/sdk/issues/42327')
+  // When fixing this issue, probably convert this to an edge builder test.
+  Future<void> test_migratedMethod_namedParameter() async {
+    var content = '''
+void f(Iterable<int> a) {
+  a.toList(growable: false);
+}
+''';
+    var expected = '''
+void f(Iterable<int> a) {
+  a.toList(growable: false);
+}
+''';
+    await _checkSingleFileChanges(content, expected);
+  }
+
   Future<void> test_add_required() async {
     var content = '''
 int f({String s}) => s.length;